Richtler, T., Grebel, E. K., & Seggewiß, W. (1994). The cases of the “disk” globular clusters NGC 6496, NGC 6624, and NGC 6637. Astronomy & astrophysics, 290, .
Chicago Style (17th ed.) CitationRichtler, Tom, Eva K. Grebel, and Wilhelm Seggewiß. "The Cases of the “disk” Globular Clusters NGC 6496, NGC 6624, and NGC 6637." Astronomy & Astrophysics 290 (1994).
MLA (9th ed.) CitationRichtler, Tom, et al. "The Cases of the “disk” Globular Clusters NGC 6496, NGC 6624, and NGC 6637." Astronomy & Astrophysics, vol. 290, 1994.
Warning: These citations may not always be 100% accurate.